Home / 13,835,583.80-20,753,375.70-7,458,291.80

Finding the Fourth Proportional to 13,835,583.80, 20,753,375.70 and 7,458,291.80

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Solution

The fourth proportional to 13,835,583.80, 20,753,375.70 and 7,458,291.80 is: 11,187,437.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,835,583.80 : 20,753,375.70 = 7,458,291.80 : x
  2. Step 2: Convert to fraction form
    13,835,583.80/20,753,375.70 = 7,458,291.80/x
  3. Step 3: Cross multiply
    13,835,583.80x = 20,753,375.70 × 7,458,291.80
  4. Step 4: Simplify right side
    13,835,583.80x = 154,784,731,805,629.25
  5. Step 5: Solve for x
    x = 154,784,731,805,629.25/13,835,583.80
  6. Step 6: Final answer
    x = 11,187,437.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.